The edlebrock only requires slight grinding to fit. My concern with the setup you mention is will it be too much intake for a stock motor
Im running a 395 Ci motor with big mouth intake. and 58MM TB. Stock the butterflys were open in order for it to idle-- now they are closed and base idle is controlled solely by the IAC. That means no matter how I tried the tune I can't get it to idle below 900 RPM without it hunting using the IAC as the method of air flow at idle...I've seen a few of those Edelbrock swaps - not too impressed considering some of the fitment issues and cost involved.
I'm not convinced that intake is too large for the stock engine.
Just a dang shame the new Pro-Flow wasn't designed in consideration of the C4 hood issues.
There are off the shelf hats from custom makers that fit stock style TB to 4 bbl intakeif you are going that route moddifying the intake to accept the TPI tthrottle body might be difficult at best. they are too different in size/shape.
Is not currently listed but Intake Elbows.com used to make a 4 bbl hat that dropped a TPI/ LTX TB down to same level as TPI oneThe first one looks way too tall - but this is the idea..
shot AAron an email-- they only build for round throttle bodies not our stock TPIIs not currently listed but Intake Elbows.com used to make a 4 bbl hat that dropped a TPI/ LTX TB down to same level as TPI one
See top pic RH rear
Prob going to have to slot it for adjustment.Here is a big question though...the TPS is adjustable on the C4, and not on the LS style. Do you slot it out or something to make it work for the base idle set????
Mine is a '90 MAP car so I wasnt worried about this issue. I guess slotting it will have to do.Prob going to have to slot it for adjustment.
C4 '165 MAF ECM looks for .54V ; key on
The later TPI MAP ( and LTX ) cars take the voltage 1st seen and use that as the base ( throttle closed ) voltage
Same here.Very interesting thread. I had been toying with this mod myself.